ROME, Aug 5 (Reuters) - An American publishing executive died after being knocked overboard in a boating accident off the Amalfi Coast in southern Italy, the Association of American Publishers (AAP) said. Adrienne Vaughan headed the U.S. division of British publishing group Bloomsbury (BLPU.L), best known for the Harry Potter novels. "Adrienne Vaughan was a leader of dazzling talent and infectious passion and had a deep commitment to authors and readers. Prosecutors in the southern port city of Salerno are investigating how the accident happened. Italian newspaper Corriere della Sera reported the skipper of the motorboat was placed under investigation and initially tested positive for substance use.

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Persons: Adrienne Vaughan, Harry Potter, Vaughan, Italy's, Ansa, della Sera, Giuseppe Borrelli, Corriere, Keith Weir, Angelo Amante, Andrew Cawthorne Organizations: Association of American Publishers, Bloomsbury, AAP, Prosecutors, della, Thomson Locations: American, Amalfi, Italy, U.S, Ravello, Salerno